GE Power Supply user manual Start-up, Use Normal Operation

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Digital Energy™ GT Series

3.2Start-up

3.2.1Start-up, utility power available

1Push the ‘I/TEST’-button (1) and hold for 3 seconds until a short beep is

heard. The bypass LED will shortly light up. When the LED ‘On Line’ lights up, the UPS is running in ‘ON LINE’ mode.

2 The equipment connected to the UPS can now be switched on.

Fig. 3.2 On Line mode

3.2.2Start-up, utility power not available (cold start or battery start)

1Push the ‘I/TEST’-button (1) and hold for 3 seconds until a short beep is

heard. The battery LED and LED ‘On Battery’ will light up. The UPS operates in ‘ON BATTERY’ mode”: it discharges the batteries.

Fig. 3.3 On Battery mode

3.3Use: Normal Operation

3.3.1Normal operation conditions:

•The utility power supply is present and within allowable tolerances,

•The load does not exceed the nominal rating of the UPS and

•The operating temperature is below alarm level

•The UPS is on,

3.3.2Normal operation indications:

• LEDs ‘Line’, ‘On Line’ and the Load LED are on

•One or more LEDs on the level bar are on

• The buzzer is silent

Fig. 3.4 Normal operation

3.3.3UPS self-test

Press the ‘I/TEST’-button (1) when the UPS is in ‘ON LINE’ mode. The UPS will shift to ‘ON BATTERY’ mode and

automatically perform a self-test for about 10 seconds (as in fig. 3.5). The self-test function will check the condition of the battery. After self-test is finished and test is O.K, the UPS will return to ‘ON LINE’ mode.

Fig. 3.5 UPS self test

OPM_GTU_19X_1K0_3K0_XUS_V014 11 GT-UL Series: User manual 1.2 (US)